Once you purchase this digital download, you will receive an email to download a zipped folder containing the video in mp4 format. The video comes in one language (English).

Running time: 14:00 minutes

In-depth knowledge of the conditions under which pathogens, in particular parasitic fungi, live and develop is a prerequisite for crop protection. Only with this knowledge can plant diseases be detected in due time and selectively treated.

The video series Fungal Pathogens and Diseases of Cereals grants easy access to this knowledge. Through an exciting blend of vivid 3D animations and real images, with informative commentaries, these videos provide fascinating insight into the life cycles of major fungal pathogens. The series is an outstanding example of communication in modern science.

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Fungal Pathogens and Diseases of Cereals Vol. 3: Barley Leaf Spots DIGITAL DOWNLOAD

The download package contains the video in mp4 format and English audio. The mp4 format is compatible with most digital devices (Mac, Windows, and mobile devices).

3.1 Barley Leaf Spots – Fungal Disease or Stress Response? (14:00 min)

Necrotic leaf spots on barley caused by abiotic or biotic factors have gained considerable importance in some regions where the crop is grown. This disease complex may significantly affect yield and represents a challenge both to proper diagnosis and disease management. A new biotic barley disease caused by the fungal pathogen Ramularia collo-cygni causes necrotic leaf spots. The video illustrates the life cycle of the pathogen and differentiates the disease symptoms and etiology from abiotic leaf spots, the so-called ‘physiological leaf spots’ (PLS). PLS are induced by a complex of environmental stress factors including, excess irradiation, drought, air pollutants, or extreme temperatures, which cause elevated levels of free unscavenged oxygen radicals in the leaf tissue. The video represents the sequence of events leading from generation of toxic oxygen radicals to induction of cell death and necrosis. Finally the impact of modern fungicides on this leaf spot complex is represented, with special emphasis on physiological fungicide effects on the plant.

Although PLS/Ramularia appears less prevalent in North America as compared to Europe and Australia, this disease should not be overlooked. Because it is new and diagnostic expertise is scarce, the onset in North American barley regions may be similar to what's been seen in other regions of the world. Therefore, this video provides timely information to researchers, diagnosticians, and educators in the United States and Canada.

Fungal Pathogens and Diseases of Cereals Vol. 3 Video Terms of Use

Standard Limited Use License (for presentations or individual use)

Fungal Pathogens and Diseases of Cereals Vol. 3 is protected by copyright and its use is limited to individual use. It may be shown to, or viewed by, groups within a classroom or educational presentation setting, but may not be made available via local area network (LAN) without permission (permission for LAN also requires an additional LAN license fee). It may not be copied, or otherwise duplicated to share with other individuals in full or in part. It may not be transferred to the Internet in full or in part.

Local Area Network (LAN) License Upgrade (for multiple user access)

The video files and their content may not be run concurrently on more than one computer and may not be networked unless an upgraded Local Area Network (LAN) License is purchased. If a LAN License is purchased, its use is limited to a specific site access and must be controlled to include only staff and/or students at that location. Within the LAN License the videos may be shown with the same privileges as the Limited Use License and also allows the videos to be viewed by students and staff autonomously as long as they are limited to access from the specified single location. If you are interested in a single-site LAN license for this product, the additional cost is $300, please contact aps@scisoc.org.

If you are uncertain which license privileges you qualify for, please contact aps@scisoc.org. Distribution without the permission of the publishers is prohibited. Infringements will be prosecuted under civil and criminal law.